Lab 1 Homework
Due at the beginning of Lab 2
Student Number___ Sec___ Name _________________________________________
1. Draw the structure of a single sp2-hybridized orbital.
2. Draw the structure of an sp-hybridized carbon atom.
3. How many bonds does each carbon atom form when present in stable organic
molecules? _____
4. How many bonds does a hydrogen atom have when present in a stable molecule?
_____
5. How many valence orbitals does each bonded carbon atom have in a stable organic
molecule? _____
6. How many orbitals does a bonded hydrogen atom have? _____
7. How many orbitals are needed to form a bond between one carbon and one
hydrogen atom? ____
8. How many valence orbitals are present in ethene? ____
9. Draw a three-dimensional orbital picture of ethene.
10. Draw a bond-line structure of the most stable conformer of 1,3-dichlorocyclohexane
in a chair conformation.
11. Draw a Newman projection of ethane in a staggered conformation.
Lab 01, Homework, fall 2012
12. Draw a Newman projection of butane, looking down the bond joining C-2 to C-3 and
showing the methyl groups anti.
13. Place an X in each space that indicates a correct answer to the following question.
The two structures shown below are:
___A. not isomers.
___B. constitutional isomers.
___C. enantiomers.
___D. diastereomers.
14. Place an X in each space that indicates a correct answer to the following question.
The two structures shown below are:
___A. identical.
___B. meso forms.
___C. enantiomers.
___D. diastereomers.
15. Place an X in each space that indicates a correct answer to the following question.
The two structures shown below are:
___A. identical.
___B. meso forms.
___C. enantiomers.
___D. diastereomers.
Lab 01, Homework, fall 2012
16. Name the family of the compound shown below and show its reaction with 48% HBr
when heated.
O
HBr (aq)
heat
_______
family
17. What group does an ester have that an ether does not have?
___A. hydroxyl
___B. a carbonyl
___C. a carboxyl
___D. an sp3-hybridized carbon
18. Which of the following notations best represents the reaction shown below?
Cl
NaI
I
CH3CN
___A. E1
___B. E2
___C. SN1
___D. SN2
19. The solvent shown in the reaction of problem 18 is:
___A. polar, protic
___B. polar, aprotic
___C. nonpolar, protic
___D. nonpolar, aprotic
20. Which of the following compounds is predicted to move the shortest distance on a
silica-gel TLC plate eluted with a 3:1 mixture of toluene and ethyl acetate?
___A. octane
___B. 2-octene
___C. 1-octanol
___D. octanoic acid
Lab 01, Homework, fall 2012